HP Compaq Presario CQ57-339WM Refurbished Notebook PC - Intel Celeron B800 1.5GHz, 2GB DDR3, 320GB HDD, DVDRW, 15.6 Display, Windows 7 Home Premium 64-bit, Black (QE264UAR#ABA) at TigerDirect.com
Battery for HP Presario CQ57-319WM CQ57-320SG CQ57-321SG CQ57-339WM CQ57-356EA - Newegg.com
HP Compaq Presario CQ57-319WM 15.6" 250GB HD, BT, Dual-boot Linux -- NEW screen! | eBay